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题名: YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY
作者: WU, CS ;  ZENG, JY
刊名: PHYSICAL REVIEW C
出版日期: 1991
卷号: 44, 期号:6, 页码:2566-2580
关键词: MODEL WAVE-FUNCTION ;  CRANKING MODEL ;  SHELL ;  BLOCKING
学科分类: Physics
通讯作者: WU, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属: BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: Accurate particle-number-conserving calculation shows that in a single-j model the yrast-yrare interaction V is always strong and no periodic oscillation of V with the degree of shell filling is found, in contrast to the results obtained by the Hartree-Fock-Bogoliubov approximation. To understand the behavior of V and bandcrossing frequency omega-c, the spin-alignment, seniority structure, configuration structure, and "quasiparticle structure" of the yrast and yrare bands are analyzed in detail. Calculation in a two-j model (high-j intruder orbits plus normal orbits of opposite parity) was also carried out to illustrate schematically that a weak yrast-yrare interaction may occur for certain single-particle level scheme. The coexistence of normal low-j orbits with high-j intruder orbits is indispensible for a sharp backbending observed in some realistic nuclei.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11279
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
WU, CS,ZENG, JY. YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY[J]. PHYSICAL REVIEW C,1991,44(6):2566-2580.
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